Spark Fireplaces LBS Series 36" x 6" Indoor Linear Propane Gas Burner System with Electronic Ignition h78 it is a sign that

it is a sign that the unit needs more oxygen

Click to see Optional Glass Wind Guard OPT-WG-10614

Flush-mount

Lighting Rod and Refillable Butane Fire Lighter

Spark Fireplaces LBS Series 36" x 6" Indoor Linear Propane Gas Burner System with Electronic Ignition h78 it is a sign thatSparks latest, leading edge linear fireplace is so customizable that gas fire becomes the ultimate designers tool. Create the perfect firescape for your design style by experimenting with different sizes, flame lengths, and views. And, because this versatile modular system is retro fit ready, it can fit right into an existing firebox to transform your wood burning fireplace into a sleek modern gas fireplace. Features Signature Fire Ribbon design